# DIFFER | Train For Life vs Symptomz Pain Tracker

The clearest difference is in-app purchases: DIFFER | Train For Life at none against Symptomz Pain Tracker's 2. DIFFER | Train For Life also leads on iOS requirement (13.0 vs 18.0). Symptomz Pain Tracker's advantage is ads (none vs shown). On price, update cadence and device support there is nothing between them.

Both are free to download. Symptomz Pain Tracker sells 2 in-app purchases, starting at $19.99 per year. DIFFER | Train For Life asks for nothing beyond the download.

DIFFER | Train For Life ships an update monthly, Symptomz Pain Tracker every 2 weeks. The most recent releases landed on September 13, 2026 and July 10, 2026 respectively.

## The numbers

| Metric | DIFFER | Train For Life | Symptomz Pain Tracker |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | Monthly | **Every 2 weeks** |
| Size | 85 MB | 13 MB |
| Requires iOS | **13.0** | 18.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 12+ |
| Developer | [DIFFER KG](https://appshunter.io/developer/1541835878) | [WOLKK PTE. LTD.](https://appshunter.io/developer/1882923249) |

## What reviewers say

### DIFFER | Train For Life

[App page](https://appshunter.io/ios/app/differ-train-for-life/id6447636632)

**Features:** macOS Compatibility, Apple Wallet

**In-app purchases:** none


### Symptomz Pain Tracker

[App page](https://appshunter.io/ios/app/symptomz-pain-tracker/id6761880093)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Yearly | $19.99 | per year |
| Lifetime | $29.99 | one-time |


## Frequently asked questions

### Is DIFFER | Train For Life free?

DIFFER | Train For Life is free to download, with no in-app purchases.

### Is Symptomz Pain Tracker free?

Symptomz Pain Tracker is free to download, with in-app purchases available.

### Do DIFFER | Train For Life or Symptomz Pain Tracker have ads?

DIFFER | Train For Life shows ads; Symptomz Pain Tracker does not.

### Which is updated more often, DIFFER | Train For Life or Symptomz Pain Tracker?

DIFFER | Train For Life ships an update monthly, and Symptomz Pain Tracker every 2 weeks. Most recently, DIFFER | Train For Life was updated on September 13, 2026 and Symptomz Pain Tracker on July 10, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*